Big-time warning signs.
Foolproof differentiators between an honest partner and a liar.
Watch for these red flags if you want to stay together.
Expert rules to live by.
It doesn't mean they're a bad person or that your relationship is doomed.
You don't have to move, relax.
And cheat, and cheat, and cheat.
"We can fix this." Uh, you probably can't.